Sometimes, programmers who are new to Java make the mistake of defining a class with a name that is the same as a widely used class. For example:
package com.example;
/**
* My string utilities
*/
public class String {
....
}
Then they wonder why they get unexpected errors. For ex...
Increase the saturation level of an image with
ctx.globalCompositeOperation = 'saturation';
The amount of the effect can be controled with the alpha setting or the amount of saturation in the fill overlay
// Render the image
ctx.globalCompositeOperation='source-atop';
ctx.drawImage(image, 0, ...
Detailed instructions on getting wordpress-theming set up or installed.
Wordpress is opensource.You can find large set of theme for use free or premium themes.All theme are provide a documentation for install and use.
What you have to understand while choose a theme?
Wordpress version you are ...
Unwind Segues
Unwind Segues give you a way to “unwind” the navigation stack and specify a destination to go back to.
The signature of this function is key to Interface Builder recognizing it.
It must have a return value of IBAction and take one parameter of UIStoryboardSegue. The name of the ...
To install DevExpress .NET products on your development machine, it is first necessary to obtain the DevExpress .NET Products Installer.
You can download it from the http://www.devexpress.com website in one of the following ways, based on the status of your current account.
Download the Trial ...
tf.exe get /all /recursive /force /overwrite $/
Gets all files and directories, and will replace any files that are not currently checked out in the workspace (including files that have been edited).
This will get all the orders for all customers:
SELECT c.CustomerName, o.OrderID
FROM Customers AS c
INNER JOIN Orders AS o
ON c.CustomerID = o.CustomerID
ORDER BY c.CustomerName, o.OrderID;
This will count the number of orders for each customer:
SELECT c.CustomerName, C...
Downloading the Bundle:
The easiest way to download the required GTK Bundle is to search and download it using this link: https://git.gnome.org/browse/gtk+ (GNOME GIT Repository)
GNOME GIT Repository provides the bundles for different versions and you can easily find the desired version by scrolli...
To animate the transition between fragments, or to animate the process of showing or hiding a fragment you use the FragmentManager to create a FragmentTransaction.
For a single FragmentTransaction, there are two different ways to perform animations: you can use a standard animation or you can suppl...
Add code in your Activity.
This would work for Fragment also, no need to add this code in Fragment.
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
View view = getCurrentFocus();
if (view != null && (ev.getAction() == MotionEvent.ACTION_UP || ev.getAction() == Moti...
The purpose of the classpath is to tell a JVM where to find classes and other resources. The meaning of the classpath and the search process are intertwined.
The classpath is a form of search path which specifies a sequence of locations to look for resources. In a standard classpath, these places...
Suppose you have a DataFrame of numerical values, for example:
df = pd.DataFrame(np.random.randn(1000, 3), columns=['a', 'b', 'c'])
Then
>>> df.corr()
a b c
a 1.000000 0.018602 0.038098
b 0.018602 1.000000 -0.014245
c 0.038098 -0.014245 1.000000...
In Kotlin, classes are final by default which means they cannot be inherited from.
To allow inheritance on a class, use the open keyword.
open class Thing {
// I can now be extended!
}
Note: abstract classes, sealed classes and interfaces will
be open by default.
Uname is the short name for unix name. Just type uname in console to get information about your operating system.
uname [OPTION]
If no OPTION is specified, uname assumes the -s option.
-a or --all - Prints all information, omitting -p and -i if the information is unknown.
Example:
> unam...
4.0
#requires -RunAsAdministrator
After trying to run this script without admin privileges, you will see this error message
.\script.ps1 : The script 'script.ps1' cannot be run because it contains a "#requires" statement for running as Administrator. The current Windows PowerShell s...
when can be used to match enum values:
enum class Day {
Sunday,
Monday,
Tuesday,
Wednesday,
Thursday,
Friday,
Saturday
}
fun doOnDay(day: Day) {
when(day) {
Day.Sunday -> // Do something
Day.Monday, Day.Tuesday -> // Do oth...
